Electrocoagulation – 30V 2000A Industrial-Grade DC Power Supply for Wastewater Flocculation and Heavy Metal Precipitation (High-Performance IGBT Rectifier)

This high-current, low-voltage rectifier is engineered specifically for electrocoagulation (EC) processes, delivering up to 60 kW of precise DC power to drive the sacrificial electrode reactions essential for breaking emulsions, flocculating suspended solids, and precipitating heavy metals from industrial effluent. As a dedicated solution for high-throughput water treatment facilities, this unit combines the robust efficiency of an IGBT rectifier manufacturer with the operational intelligence required for continuous, unattended service. Unlike standard plating rectifiers, this system features rapid reverse polarity switching and programmable current ramping to prevent electrode passivation and ensure consistent coagulant dosing, maximizing treatment efficacy while minimizing electrical waste. By integrating the latest switching technology, this power supply offers a superior form factor and weight reduction compared to traditional SCR units, providing a modern, space-saving retrofit for expanding treatment plants.
PART 1: KEY FEATURES & ENGINEERING HIGHLIGHTS
High-Frequency IGBT Switching Topology: Utilizing advanced IGBT modules, this unit operates at high frequency to provide a ripple-free DC output. This is critical for electrocoagulation, as smooth DC current ensures even metal dissolution from the plates, producing consistent hydroxide flocs and optimizing the coagulation process. The efficiency rating of 92-95% directly translates to lower operational costs, presenting a potent counter-argument to any low-grade imported heavy-duty DC power supply price that lacks long-term energy savings.
Rapid Polarity Reversal (Optional): Specifically designed to combat electrode scaling. The automatic reverse polarity function (adjustable timing) reverses the current flow to continuously clean the electrode plates, drastically extending the lifespan of your sacrificial anodes and reducing maintenance downtime. This function is delivered without mechanical contactors, utilizing high-speed solid-state switching to ensure instantaneous reversal with zero arcing.
Dual-Mode Operation (Constant Current / Constant Voltage): Electrocoagulation requires stable current density to control the coagulant dose. This rectifier operates in Constant Current (CC) mode with a precision of ±0.5%, ensuring the current stays locked at your set point regardless of electrochemical cell resistance fluctuations caused by changing water conductivity. An optional Constant Voltage (CV) mode is available for specialized processes.
Robust Air or Liquid Cooling Architecture: Built for harsh industrial environments, the system features an extended-life cooling system requiring minimal maintenance. The design prioritizes dust-proof isolation (IP54 rating) for the sensitive electronics, ensuring reliability even when installed near clarifiers or sludge handling areas where humidity and corrosive gases are prevalent.
PART 2: TECHNICAL SPECIFICATIONS TABLE

PART 3: ADVANCED BUILT-IN PROTECTION SYSTEMS
Your process is continuous, so your power supply cannot afford to fail. This unit is shielded by a multi-layered protection suite that acts as an electronic watchdog. Overheating is managed by a thermostat that triggers an alarm and safe shutdown if internal temperatures exceed safe operating ranges. The output stage is equipped with Fast-Acting IGBT Short-Circuit Protection and an overload limiter that prevents current spikes from damaging the internal bus bars or the external cell connections. Reverse polarity protection safeguards against incorrect load wiring, while Phase Loss and under-voltage monitoring protect the unit from unstable grid supply—a common issue in remote industrial parks or on-site power generation setups. The system also includes an integrated overvoltage (surge) arrester to shield the control board from lightning-induced transients on the input supply.
PART 4: TARGET INDUSTRIAL APPLICATIONS
This 2000A unit is the workhorse for municipalities and industrial plants requiring massive anode surface areas. It is implemented extensively in:
Oily Wastewater Treatment: Breaking oil-water emulsions (O/W and W/O) in refinery effluent, metalworking coolant streams, and petrochemical processing before biological treatment.
Heavy Metal Removal: Precipitation of dissolved metals such as Cr, Ni, Cu, Zn, and Pb in mining runoff and electroplating rinse water, effectively reducing sludge volume compared to chemical precipitation.
Textile & Dye Industry: Destabilization of dyes and pigments, achieving high color removal rates and COD reduction.
Food & Beverage Processing: Treatment of high-BOD organic load and suspended solids, facilitating floc formation for subsequent dissolved air flotation (DAF) units.
PART 5: CUSTOMIZATION AND TAILORED ENGINEERING SERVICES
As an industrial high frequency rectifier factory, we understand that a “one-size-fits-all” approach rarely fits industrial water chemistry. We offer complete modularity to build the precise rectifier for your flow rate and specific water analysis. We manufacture custom units from 1V to 1000V and 1A to 100,000A (Input: AC, Output: DC only). We specialize in integrating process control modules directly into the rectifier cabinet:
Process Control Integration: Integrated PLC-controlled modules for Process Timer (auto-run cycles), Multi-Stage Profile Control (adjusting current over time to account for changing TDS levels), and an Ampere-Minute Integrator for dosing batching systems.
Communication Interfaces: Standard RS485 Modbus RTU and Ethernet ports for SCADA integration. Analog interfaces (4-20mA) allow for remote setpoint control from your DCS. Include optional PROFIBUS or DeviceNet.
Pulse Electrocoagulation: For specialized electro-oxidation and EC applications, we provide a Pulse Function option with a frequency range of 1Hz to 3000Hz, allowing you to control the duty cycle to maximize charge transfer efficiency and reduce concentration polarization effects.
Reverse Polarity Automation: Automatic reversal based on process time OR adjustable via ampere-hour counting for advanced electrode life management.
Request a quote today and discuss your specific water chemistry with our engineers to find the best custom current voltage rectifier solution and find out why we are a preferred IGBT rectifier manufacturer for industrial water treatment systems.